SPECIFICATION.md in ssmd-0.7.3 vs SPECIFICATION.md in ssmd-0.7.4

@@ -105,11 +105,11 @@
 
 ***
 
 ### Mark
 
-Sections of text can be tagged using marks. They do not effect the synthesis but
+Sections of text can be tagged using marks. They do not affect the synthesis but
 can be returned by SSML processing engines as meta information and to emit
 events during processing based on these marks.
 
 SSMD:
 ```
@@ -240,10 +240,10 @@
 <prosody volume="x-loud" rate="x-fast" pitch="x-high">extra loud, fast, and high</prosody> or
 <prosody volume="x-loud" rate="x-fast" pitch="x-high">extra loud, fast, and high</prosody>
 ```
 
 The shortcuts are listed first. While they can be combined, sometimes it's easier and shorter to just use
-the explizit form shown in the last 2 lines. All of them can be nested, too.
+the explicit form shown in the last 2 lines. All of them can be nested, too.
 Moreover changes in volume (`[louder](v: +10dB)`) and pitch (`[lower](p: -4%)`) can also be given explicitly in relative values.
 
 ***
 
 ### Say-as